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Archive of 1972 Online Issues:

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February 1972; 13 (1): 1 - 210
 April 1972; 13 (2): 211 - 393
June 1972; 13 (3): 395 - 588
 August 1972; 13 (4): 589 - 746
October 1972; 13 (5): 747 - 936
 December 1972; 13 (6): 937 - 1141